US2717756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film holders
Assignee: American Type Founders Co Inc
•
Filing: 1950-06-23
•
Granted: 1955-09-13
•
Expires: 1970-06-23
Abstract
No abstract record available.
Inventors
- 👤 Keeshan Alvin William
- 👤 Marder Richard Collins
- 👤 Vogel Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:14
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/58; G03B27/60; G03B17/00; G03B17/28; G03B17/32; G03B17/34; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86501
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1347824A
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US1813689A
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US1813690A
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US1945481A
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US2143565A
Cited
US2133518A
Cited
US2317348A
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US2454240A
Cited
US2572640A
Cited
US2535952A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-12 | 1959-03-14 | 1959-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-12 | 1963-03-14 | 1963-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-12 | 1967-03-14 | 1967-09-13 | $7700.00 | Window Closed / Lapsed |